Vulnerability Description
Furnace through 0.6.8.3 contains an out-of-bounds heap read vulnerability in DivEngine::loadFTM() in src/engine/fileOps/ftm.cpp, triggered by an unbounded DPCM note count during FamiTracker module import. Attackers can craft a .ftm, .dnm or 0CC/E-FamiTracker module with a 2A03 instrument note count above 120 to read past the noteMap array and crash Furnace when opened.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/tildearrow/furnace
- https://github.com/tildearrow/furnace/blob/v0.6.8.3/src/engine/fileOps/ftm.cpp#L
- https://github.com/tildearrow/furnace/commit/c120c72391e3229fe258e5759f43427febc
- https://github.com/tildearrow/furnace/issues/2966
- https://hackmd.io/@haindpwn/furnace-ftm-import-notemap-and-groove-subsong-oob
- https://www.vulncheck.com/advisories/furnace-through-0.6.8.3-out-of-bounds-read-
FAQ
What is CVE-2026-116730?
CVE-2026-116730 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Furnace through 0.6.8.3 contains an out-of-bounds heap read vulnerability in DivEngine::loadFTM() in src/engine/fileOps/ftm.cpp, triggered by an unbounded DPCM note count during FamiTracker module imp...
How severe is CVE-2026-116730?
CVE-2026-116730 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116730?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.